Metal hame-fastening



E. D. FISHER.

METAL HAME FASTENING.

(No Model.)

No. 288,322. Patented Nov. 13, 1.883.

Jnvemfon MVZ M Maxi/3. L

UNITED STATES PATENT O FICE.

EDWARD D. FISHER, onwoosTER, OHIO.

METAL HAME-FAS'TENING.

SPECIFICATION forming part of Letters Patent No. 288,322, dated November 13, 1883.

i Application filed August 16,1883. (No model.)

. To all whom it may concern:

, cation.

My invention relates to improvements in metal hame-fasteners, wherein a lever-power is provided to draw the hames together upon a harness collar; and the. objects of my improvement are, first, to provide an extension and detachable metal coupling to unite the hames upon the collar of any size preparatory to the application of a lever-power to press the hames and collar together; second to provide a suitable lever to act in conjunction with the detachable extension-coupling, whereby the hames may be drawn together more readily and closely and held together more firmly than in similar inventions hereto fore used.

I attain these objects by the mechanism illustrated in the accompanying drawings, in

which Figure 1 is a front view of, the device embodying my invention, showing the two parts of my extension coupling upon the lower ends of the ham'es, respectively, and detached from each other. Fig. 2 is a view of the same, showing the extension-coupling united, and also the lever drawn up, in dotted lines.

Similar letters of reference indicate like parts.

B B" arethe hooks which connect the lower ends of the hames, respectively, with thee):- tensioncoupling. This coupling is united by introducing the bar D through the corresponding clasp, C, so that the lugs e co may enter thecorresponding holes, e e e, according to the size of the collar. Adjustable coupling-bars similarly constructed have been before used.

My improvement consists in providing hooked lugs in connection with corresponding perforations, to hold the bars together, instead of using a ringor other device to slip over the bars, as heretofore, and holdthe bars together upon straight studs.

The coupling-bar D isunited to the lever L by the pintle P, which passes through the lower end of the lever-shaft. The lever-shaft L is united to the lower end of the couplinghook B by means of a pin, A, which passes through a slot, S, in the lever-shaft, and constitutes the fulcrum of the lever. The slot S in the lever-shaft turns outwardly at. its lower end, so as to adapt the lever-shaft to carry the fulcrum A along the slot Sto T, and lodge it at T, as hereinafter stated.

The operation of my invention is as follows; The detached couplings BB being united to the opposite hames, respectively, and the hames placed in position upon the collar, the. bar D is passed through the clasp (land secured upon one or more ofthe'hooked lugs e a e, in conjunction with the corresponding openings,'e e e,in the bar D, aceording to the size of the collar, as shown in Fig. 2. The hand is then placed upon the handle of the lever L, and the lever drawn downward in the direction of the dotted line and arrow. By this movement the fulcrum-pin A acts as a togglejoint to draw the hames together, and as the lever approaches a vertical position the fulcrum-pin A slides along in the slot S, thereby constantly increasing the leverage, until, after passing the vertical position, the fulcrum pin enters the curve of the slot and lodges at T, which deposits it at T when the handle of the lever reaches L, lwhere it rests against the shaft D,-as shown 'by the dotted line. By this movement also the hook B is drawn-toward the opposite hame, as shown at B,.while the fulcrum-pin A rests securely in the neck of the shaft D, thereby preventing the lever L from releasing itself until it is drawn downward to unfasten the hames. y

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, isa In a metal hame-fastener, the combination, with the extension detachable coupforations e e e, and the bar Eprovided with I11 testimony whereof I. hereunto set my the eye 0 and hooked lugs e e 6, adapted to hand, at Wooster, Ohio, this 9th day of July, couple'the bars, as shown,) of the slotted' le- A. D. 1883.

ver L provided with curved slot S and pintle I EDXVARD D. FISHER. 5 p, and hook 13, provided with the movable ful- Witnesses:

crum-pin A, substantially as and for the pur- E. A. HARTMAN,

pose specified. M. O. RoUoI-L 

